Dr. Mohiuddin is a Professor of Surgery and Scientific/Program Director, Cardiac Xenotransplantation Program at UMSOM.

Previously served as Chief of Transplantation, Cardiothoracic Surgery Research Program, National Heart Lung and Blood Institute, National Institutes of Health (NIH) while holding faculty positions at the University of Pennsylvania, Philadelphia and Rush University, Chicago. He has been involved in Xenotransplantation Research since 1992 and started xenotransplantation research programs at the NIH, the University of Pennsylvania Philadelphia, and Rush University Chicago.

He is Associate Editor for the journal, Transplantation, and reviews manuscripts for many other journals. He is also president elect, Dow Graduate Association of North America. Achievements include several NIH and non-NIH grants during his academic career. Dr. Mohiuddin received his MBBS (MD) degree from Dow Medical College, Karachi, Pakistan and after completing preliminary surgical training at Civil Hospital Karachi, he finished fellowships at the University of Pennsylvania Philadelphia and the Institute of Cellular Therapeutics (Drexel University).

Dr. Mohiuddin has devoted his entire career to xenotransplantation. His contribution to xenotransplantation includes demonstration of the longest survival heterotopic and orthotopic cardiac xenotransplantation. He is currently President of the International Xenotransplantation Association (IXA) after serving as Councilor for 4 years and as liaison to promote productive discord between the IXA and the FDA. He has published over 100 papers, and more than 150 abstracts. Additionally, he has been an invited Xenotransplantation expert speaker on numerous occasions. 

His persistence in Xenotransplantation directed him to accomplish the First Human Cardiac Xenotransplantation on January 7, 2022. The surgery was achieved at the University of Maryland Medical Center, Baltimore Maryland.